RHS® LS Aluminum Race Block

rhs-logo-190x72Engineers at RHS® have recently designed a high performance engine block for GM LS applications to meet the needs of race and street performance engine builders.



To go beyond the limitations of other existing LS blocks, the new RHS® LS Aluminum Race Block is available in both standard deck and tall deck height configurations. Additionally, this innovative block features a raised cam centerline and outboard priority main oiling to allow rod clearance for a 4.600″ stroke and to minimize windage in the crankcase. For quality control assurance, RHS® conducts a CT scan (similar to a medical CAT scan) on each block to ensure maximum casting precision and consistency.

When you combine unmatched finishing quality with added clearance for increased stroke applications, precision computer-aided design and extra surface material to allow custom machining, you get the new benchmark for LS horsepower, torque and durability.

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